255544732463 has 2 divisors, whose sum is σ = 255544732464. Its totient is φ = 255544732462.

The previous prime is 255544732453. The next prime is 255544732501. The reversal of 255544732463 is 364237445552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255544732463 - 2⁴ = 255544732447 is a prime.

It is a super-2 number, since 2×255544732463² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255544732423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127772366231 + 127772366232.

It is an arithmetic number, because the mean of its divisors is an integer number (127772366232).

Almost surely, 2^255544732463 is an apocalyptic number.

255544732463 is a deficient number, since it is larger than the sum of its proper divisors (1).

255544732463 is an equidigital number, since it uses as much as digits as its factorization.

255544732463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096000, while the sum is 50.

The spelling of 255544732463 in words is "two hundred fifty-five billion, five hundred forty-four million, seven hundred thirty-two thousand, four hundred sixty-three".